Analysis

  • user interaction
    yes
  • max time kernel
    210s
  • max time network
    227s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    02/08/2026, 17:33

General

  • Target
    Synthesizer V Studio Basic 1.11.2/Windows/svstudio-basic-setup.exe
  • Size 47.5MB
  • Sample260802-v5bf2sdm2z
  • SHA256 a9701060ae1442e96fccb2c8e9c67c971d9f98d3c86e75bc711db06ad76b6d1d
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Drops file in Program Files directory 35 IoCs
  • Executes dropped EXE 3 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Inno Setup is an open-source installation builder for Windows applications. 3 IoCs

    Inno Setup installer

  • Modifies registry class 36 IoCs
  • Modifies system certificate store 2 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Synthesizer V Studio Basic 1.11.2\Windows\svstudio-basic-setup.exe
    "C:\Users\Admin\AppData\Local\Temp\Synthesizer V Studio Basic 1.11.2\Windows\svstudio-basic-setup.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3408
    • C:\Users\Admin\AppData\Local\Temp\is-C80DQ.tmp\svstudio-basic-setup.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-C80DQ.tmp\svstudio-basic-setup.tmp" /SL5="$400AA,48935032,819712,C:\Users\Admin\AppData\Local\Temp\Synthesizer V Studio Basic 1.11.2\Windows\svstudio-basic-setup.exe"
      2⤵
      • Drops file in Program Files directory
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:4736
      • C:\Users\Admin\AppData\Local\Temp\is-K3HTU.tmp\_isetup\_setup64.tmp
        helper 105 0x45C
        3⤵
        • Executes dropped EXE
        PID:720
      • C:\Program Files\Synthesizer V Studio Basic\synthv-studio.exe
        "C:\Program Files\Synthesizer V Studio Basic\synthv-studio.exe"
        3⤵
        • Suspicious use of NtSetInformationThreadHideFromDebugger
        • Executes dropped EXE
        • Modifies system certificate store
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: GetForegroundWindowSpam
        • Suspicious use of SetWindowsHookEx
        PID:2408
  • C:\Windows\system32\AUDIODG.EXE
    C:\Windows\system32\AUDIODG.EXE 0x00000000000004F8 0x00000000000004D8
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:5500

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        f0.dnni

        • Path C:\Program Files\Synthesizer V Studio Basic\f0.dnni
        • Size 1.7MB
        • SHA256 5a21cadf5012e838661d982e68f9a84038427ad0b44631bc088e2631871cd95e
        • MD5 SHA1 SHA512 SSDEEP TLSH

        NotoSansCJKjp-Regular.otf

        • Path C:\Program Files\Synthesizer V Studio Basic\fonts\NotoSansCJKjp-Regular.otf
        • Size 15.7MB
        • SHA256 f18253affd968c8ea592d8df6d84b1d4c5d3a46d267e53a1f6749e6c4f76a23d
        • MD5 SHA1 SHA512 SSDEEP TLSH

        synthv-studio.exe

        • Path C:\Program Files\Synthesizer V Studio Basic\synthv-studio.exe
        • Size 19.2MB
        • SHA256 7446bd0883b840c9f2feb1afae79c32beec15d3519f640e3c6f594d85aa1ea4e
        • MD5 SHA1 SHA512 SSDEEP TLSH

        svstudio-basic-setup.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\is-C80DQ.tmp\svstudio-basic-setup.tmp
        • Size 3.0MB
        • SHA256 d5ab0fcfdb9d2bd3229689a5c4b238e4cc9bf5817d1e1138af52fa441c58a979
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _setup64.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\is-K3HTU.tmp\_isetup\_setup64.tmp
        • Size 6KB
        • SHA256 388a796580234efc95f3b1c70ad4cb44bfddc7ba0f9203bf4902b9929b136f95
        • MD5 SHA1 SHA512 SSDEEP TLSH

        session-2408

        • Path C:\Users\Admin\Documents\Dreamtonics\Synthesizer V Studio\recovery\session-2408
        • Size 17B
        • SHA256 2c43182a027ffa22c592d18f583606ca78bd71f0b2719b5000603efbcdcb1bfa
        • MD5 SHA1 SHA512

        settings.xml

        • Path C:\Users\Admin\Documents\Dreamtonics\Synthesizer V Studio\settings\settings.xml
        • Size 129B
        • SHA256 fa2bcaa706e3c86e1e0d97e837791fb43d1651d2c3d48a34704e1e09a427b07e
        • MD5 SHA1 SHA512 TLSH

        de-de.txt

        • Path C:\Users\Admin\Documents\Dreamtonics\Synthesizer V Studio\translations\de-de.txt
        • Size 23KB
        • SHA256 1124202d8ff6a085049dbec76b7f61534f90fe0dcb844667fca6b271f465eaf4
        • MD5 SHA1 SHA512 SSDEEP TLSH

        es-la.txt

        • Path C:\Users\Admin\Documents\Dreamtonics\Synthesizer V Studio\translations\es-la.txt
        • Size 36KB
        • SHA256 69f97521f5799374f93ab68b08b89c8576500c25a0493aef4ba5947f7923bd3c
        • MD5 SHA1 SHA512 SSDEEP TLSH

        fr-fr.txt

        • Path C:\Users\Admin\Documents\Dreamtonics\Synthesizer V Studio\translations\fr-fr.txt
        • Size 24KB
        • SHA256 74c4c0629360841e712643fce00bea02fcaeec75c9c70e5b911976b8d998f9c6
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ja-jp.txt

        • Path C:\Users\Admin\Documents\Dreamtonics\Synthesizer V Studio\translations\ja-jp.txt
        • Size 63KB
        • SHA256 95f48164bc252d57999e858510f6bec592dda68813285e615d61fb865e0f539b
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ko-kr.txt

        • Path C:\Users\Admin\Documents\Dreamtonics\Synthesizer V Studio\translations\ko-kr.txt
        • Size 40KB
        • SHA256 ed6ad686f92546ea0c100f4ee41aededfa020ed604cc6419cc197a04b1ce24bf
        • MD5 SHA1 SHA512 SSDEEP TLSH

        pt-br.txt

        • Path C:\Users\Admin\Documents\Dreamtonics\Synthesizer V Studio\translations\pt-br.txt
        • Size 54KB
        • SHA256 8ef0d88716f2aaf935cea99fe2ea925ef04a26bb89c93ecc6dbfdfd57fd41da3
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ru-ru.txt

        • Path C:\Users\Admin\Documents\Dreamtonics\Synthesizer V Studio\translations\ru-ru.txt
        • Size 51KB
        • SHA256 92217264a687fc9e381f4f54466b9935ddfe87a60d04344eba116e58f576f3a7
        • MD5 SHA1 SHA512 SSDEEP TLSH

        vi-vn.txt

        • Path C:\Users\Admin\Documents\Dreamtonics\Synthesizer V Studio\translations\vi-vn.txt
        • Size 38KB
        • SHA256 e96923db43128e92de17cdb3da1a1d94d54e2f25c7f2b4481980c444fa911297
        • MD5 SHA1 SHA512 SSDEEP TLSH

        zh-cn.txt

        • Path C:\Users\Admin\Documents\Dreamtonics\Synthesizer V Studio\translations\zh-cn.txt
        • Size 51KB
        • SHA256 a8ff60248e00a7e63e1e95f2c84e9230538b1083b28d1d8f02b7fb0d5061f112
        • MD5 SHA1 SHA512 SSDEEP TLSH

        zh-tw.txt

        • Path C:\Users\Admin\Documents\Dreamtonics\Synthesizer V Studio\translations\zh-tw.txt
        • Size 51KB
        • SHA256 d268162b29d60dc31f9ea1988696afdd14e6166fe93f72fc221d7f44fc2e3ec8
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/2408-170-0x00007FFC3A5F0000-0x00007FFC3A5F2000-memory.dmp

        memory/2408-171-0x00007FFC3A600000-0x00007FFC3A602000-memory.dmp

        memory/2408-172-0x0000000140000000-0x0000000142AE2000-memory.dmp

        memory/3408-0-0x0000000000400000-0x00000000004D5000-memory.dmp

        memory/3408-169-0x0000000000400000-0x00000000004D5000-memory.dmp

        memory/3408-7-0x0000000000400000-0x00000000004D5000-memory.dmp

        memory/4736-16-0x0000000000400000-0x0000000000711000-memory.dmp

        memory/4736-168-0x0000000000400000-0x0000000000711000-memory.dmp

        memory/4736-163-0x0000000000400000-0x0000000000711000-memory.dmp

        memory/4736-26-0x0000000000400000-0x0000000000711000-memory.dmp

        memory/4736-24-0x0000000000400000-0x0000000000711000-memory.dmp

        memory/4736-18-0x0000000000400000-0x0000000000711000-memory.dmp

        memory/4736-14-0x0000000000400000-0x0000000000711000-memory.dmp

        memory/4736-12-0x0000000000400000-0x0000000000711000-memory.dmp

        memory/4736-8-0x0000000000400000-0x0000000000711000-memory.dmp

        memory/4736-9-0x00000000028A0000-0x00000000028A1000-memory.dmp

        memory/4736-6-0x00000000028A0000-0x00000000028A1000-memory.dmp